Citing reasons like new hotel and restaurant openings and world events, the booking website’s "Look Back, Look Ahead" Insider Index contains a short list of what they believe will be the hottest travel destinations in 2013.

"European travel will be especially attractive as the need to fill extra hotel rooms built for the Olympics in the U.K. and the recession in Southern Europe will drive many travel bargains for consumers," said Julia Mighall, destination expert for Europe and regional director of Orbitz Worldwide.